This is a good web site below, for more information but Iindahand is right,
Bipolar 1 is were you experience full blown mania
episodes i think for more than a week eg, ( hyper mood, rapid speech, little need for sleep, erratic spending, increase sex drive etc) as well as depression episodes for more than 2 weeks, eg( low mood, sad, crying, decreased or increased appetite, sleep more or less than normal, no energy etc)
Bipolar 2 is were you experience hypo-mania which is like a mild version of m